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Cygwin: FIFO: restart listen_client thread after fork/exec

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This allows writers to connect immediately.  Previously the lct wasn't
restarted until the reader attempted to read.
This commit is contained in:
Ken Brown 2019-04-20 11:46:09 -04:00
parent 4443100b53
commit 9957a7895b
1 changed files with 5 additions and 7 deletions
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12
winsup/cygwin/fhandler_fifo.cc
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@ -755,7 +755,7 @@ fhandler_fifo::raw_read (void *in_ptr, size_t& len)
{ {
size_t orig_len = len; size_t orig_len = len;
/* Start the listen_client thread if necessary (e.g., after fork or exec). */ /* Start the listen_client thread if necessary (shouldn't be). */
if (!listen_client_thr && !listen_client ()) if (!listen_client_thr && !listen_client ())
goto errout; goto errout;
@ -960,18 +960,16 @@ fhandler_fifo::fixup_after_fork (HANDLE parent)
fc_handler[i].fh->fhandler_base::fixup_after_fork (parent); fc_handler[i].fh->fhandler_base::fixup_after_fork (parent);
fork_fixup (parent, fc_handler[i].connect_evt, "connect_evt"); fork_fixup (parent, fc_handler[i].connect_evt, "connect_evt");
} }
listen_client_thr = NULL; if (reader && !listen_client ())
lct_termination_evt = NULL; debug_printf ("failed to start lct, %E");
fifo_client_unlock ();
} }
void void
fhandler_fifo::fixup_after_exec () fhandler_fifo::fixup_after_exec ()
{ {
fhandler_base::fixup_after_exec (); fhandler_base::fixup_after_exec ();
listen_client_thr = NULL; if (reader && !listen_client ())
lct_termination_evt = NULL; debug_printf ("failed to start lct, %E");
fifo_client_unlock ();
} }
void void